微滤和超滤属于低压膜，正在引起人们的注意 作为水净化系统的新技术。这是因为它们是一道完整的屏障， 主要针对隐孢子虫。此外，去除的不仅是固体，而且是溶解的 人们迫切需要原水中的污染物。为了满足这一需求，混合动力系统与 膜过滤变得越来越重要。 NGK一直为用户提供独特的陶瓷膜过滤系统，并与 预混凝，节能效果好，减少维护工作量，稳定性好 活动然而，无论是安装成本还是运营成本，都更为理想。作者 一直在测试在保持效率的同时实现更高过滤通量的方法。 本文讨论了某些设备的高通量运行性能。 实现高通量运行，例如250 gfd（=420 L/m²/hr）的河流地表水和 坝水采用直接过滤，可降低两种跨膜压力（TMP） 这是主要的突破。现场实验导致了人们的预期，即每天都会发生变化 通过酸与化学物质的结合，BW后TMP的增加将显著减少 强化反冲洗（CEB），一个过滤周期的TMP增加将减少 在线絮凝。因此，该混合系统具有预混凝、在线絮凝和 采用酸性CEB的陶瓷膜过滤显示出了高通量直接操作的可能性 250 gfd（=420 L/m²/hr），对有机污染的河流地表水具有相当稳定的条件。包括8个参考文献、表格、图表。

Microfiltration and ultrafiltration, categorized as low-pressure membranes, are drawing attention as new technologies for water purification systems. This is because they work as a complete barrier, mainly against Cryptosporidium. Furthermore, the removal of not only solid but also dissolved contaminants in raw water is eagerly desired. To meet this demand, hybrid systems combined with membrane filtration are becoming increasingly important. NGK has been supplying users with unique ceramic membrane filtration systems combined with pre-coagulation that afford excellent energy saving, reduction of maintenance work, and stable operation. However, both installation and operation cost would still be more desirable. The authors have been testing means of achieving higher filtration flux operation while maintaining efficiency. This paper discusses the performance of high flux operation with certain devices. To achieve a high flux operation such as 250 gfd (= 420 L/m²/hr) against river surface water and dam water with direct filtration, the reduction of two kinds of transmembrane pressure (TMP) may be the main breakthrough. On-site experiments led to the expectation that the daily changed TMP increase after BW would be reduced dramatically by the combination of acid chemically enhanced backwash (CEB), and that a TMP increase of one filtration cycle would be reduced by in-line flocculation. As a result, the hybrid system with pre-coagulation, in-line flocculation and ceramic membrane filtration with acid CEB showed the possibility of high flux direct operation of 250 gfd (= 420 L/m²/hr) with quite stable condition against organic contaminated river surface water. Includes 8 references, tables, figures.